Headphones



FIG. 1 is a front perspective view of headphones showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The broken lines in the figures shown portions of the headphones that form no part of the claimed design.

The dot-dash lines in the figures show boundaries that form no part of the claimed design. 

CLAIM The ornamental design for headphones, as shown and described. 